Table 2.
Pathology classification of focus, mass and nonmass lesions. The overall numbers and sizes of benign and malignant lesions are noted, as well as the pathological subtypes.
| Type of lesions | Overall No. (n=852) | Size (mm) | Mass (n=552) | Nonmass (n=261) | Focus (n=39) |
|---|---|---|---|---|---|
| All Benign | 235 | 11.1±7.9 | 156 | 49 | 30 |
| Fibroadenoma | 51 | 11.1±4.9 | 44 | 5 | 2 |
| Papilloma | 34 | 10.3±4.7 | 24 | 9 | 1 |
| FCC | 62 | 13.6±12.2 | 30 | 21 | 11 |
| Breast tissue | 46 | 8.7±4.7 | 32 | 4 | 10 |
| Other | 42 | 10.3±7.2 | 26 | 10 | 6 |
| All Malignant | 617 | 25.6±20.3 | 396 | 212 | 9 |
| DCIS | 136 | 25.3±22.0 | 28 | 103 | 5 |
| IDC | 373 | 25.3±19.1 | 299 | 71 | 3 |
| ILC | 41 | 20.7±12.7 | 23 | 18 | 0 |
| Other | 67 | 30.5±24.9 | 46 | 20 | 1 |